According to its low serial cumber, this watch was certainly
produced by Oudin soon after he established his own workshop.
Charles Oudin was one of the best pupils of Breguet; together with
his foreman Boulanger, he took care of his workshop during his
exile in Switzerland, but left soon after Breguet ' s return to Paris.
Charles Oudin is well known for having devised an equation of time
mechanism for Breguet .souscription watches.